How funny! He actually addresses that in the next paragraph (emphasis mine)!
"Anybody who goes on stage to perform is representing himself the way he wants to represent himself, sincerely or insincerely. I'd just rather cultivate my own electricity. It depends upon how famous you want to get. Visually we are an excellent looking band. Everybody looks good, nice, angular, lean California boys. I guess we would just look fabulous if we were to slick it up and appear in outrageous clothes. However, the Eagles won't be wearing glitter this year anyway."
Not too modest about their looks, eh, but he's just bein' real!